DSO Functions & Settings
Understand probes, channels, coupling, voltage scale, time base and triggering from basic to advanced use.
Advanced practical measurement course
DSO Complete Practical Training for Motherboard Repair
Learn how to set up an oscilloscope, capture the right waveform and use signal evidence to diagnose RTC, PWM, SMBus, BIOS and reset-related faults.
8 focused modules4 selected videos3 learning modes
Why DSO matters
See what a multimeter cannot show
A digital storage oscilloscope helps a technician examine frequency, timing, duty cycle, noise, glitches and communication activity. The course connects those readings to real laptop motherboard sections, so measurements support a diagnosis instead of becoming isolated waveforms.
PWM & gateRTC 32.768 kHzSDA / SCLMISO / MOSICS# / CLKDRAMRST#
Complete course coverage
Practical DSO modules
The supplied syllabus has been organised into a clear technical progression.
RTC Frequency Testing
Test the 32.768 kHz RTC section in different acquisition and measurement modes.
PWM & Gate Trigger
Check buck-regulator PWM behavior and analyse MOSFET gate-trigger waveforms.
SMBus Data Analysis
Observe SDA and SCL bit frames, timing and communication activity on motherboard buses.
Dual-Channel BIOS Testing
Synchronise two probes to compare BIOS signals and evaluate data transfer with the PCH.
Duty Cycle Analysis
Read duty cycle, pulse width and switching behavior when evaluating gate-drive circuits.
Reset Signal Testing
Apply the correct scope settings to test DRAMRST# and other critical reset signals.
PCH & BIOS Validation
Use RTC debounce logic and MISO, MOSI, CS#, CLK and VCC activity to assess signal health.
Selected Laptex lessons
Continue with practical repair videos
These videos open on YouTube. They are presented without autoplay or third-party tracking embeds on this page.
Video 1DSO Practical Training Video 1
Oscilloscope foundations and practical motherboard measurement.
Watch on YouTube →
Video 2SIO Signal Shorting Diagnosis
A practical laptop motherboard signal and power-section fault case.
Watch on YouTube →
Video 3DSO Practical Training Video 3
Waveform-led testing for board-level troubleshooting.
Watch on YouTube →
Video 4DSO Practical Training Video 4
Advanced motherboard signal diagnosis with practical instruments.
Watch on YouTube →Skills you develop
Move from waveform viewing to fault reasoning
- Stable signal captureSelect time base, voltage scale, coupling and trigger for the signal under test.
- Timing and duty-cycle analysisRecognise switching activity and compare pulse behavior.
- Communication testingIdentify activity on SMBus and BIOS-related signal lines.
- Reset and clock validationUse signal presence and quality to narrow a no-power or no-display fault.
Designed for technicians
Useful after the foundation modules
DSO training is most effective when you already understand component testing, motherboard sections and safe probing. Beginners can start with the complete laptop repair course and progress into this focused module.
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Ask about DSO practical training
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